DHCP configuration on Cisco Router or switch

Let's begin to configure basic DHCP on IOS-based router.
May configure through console cable or Ethernet cable, however please plug into correct port and use correct method access into IOS command line console.

To configure Cisco IOS DHCP, follow these steps, which include sample commands:

1. Configure an IP address on the router's Ethernet port, and bring up the interface. (On an existing router, you would have already done this.)
   
Router(config)# interface ethernet0/0 Router(config-if)# ip address 1.1.1.1 255.0.0.0 Router(config-if)# no shutdown
2. Create a DHCP IP address pool for the IP addresses you want to use.
Router(config)# ip dhcp pool mypool
3. Specify the network and subnet for the addresses you want to use from the pool.
Router(dhcp-config)# network 1.1.1.0 255.0.0.0
4. Specify the DNS domain name for the clients.
Router(dhcp-config)#domain-name mydomain.com
5. Specify the primary and secondary DNS servers.
Router(dhcp-config)#dns-server 1.1.1.10 1.1.1.11
6. Specify the default router (i.e., default gateway).
Router(dhcp-config)#default-router 1.1.1.1
7. Specify the lease duration for the addresses you're using from the pool. (i.e: 7days and 12hours / half day)
Router(dhcp-config)#lease 7 Router(dhcp-config)#lease 0 12
8. Exit Pool Configuration Mode.
Router(dhcp-config)#exit

Next, exclude any addresses in the pool range that you don't want to hand out.
For example, let's say that you've decided that all IP addresses up to .100 will be for static IP devices such as servers and printers. All IP addresses above .100 will be available in the pool for DHCP clients.

Here's an example of how to exclude IP addresses .100 and below:
Router(config)#ip dhcp excluded-address 1.1.1.0 1.1.1.100

Then, enter the ipconfig /renew command on the laptop to receive an IP address. After you have the IP address, enter the ipconfig /all command.

This is the sample output:

May also refer to http://www.trainsignal.com/blog/cisco-dhcp if you are looking for DHCP relay or setup router as DHCP client

Reference:
http://www.techrepublic.com/article/configure-dhcp-on-a-cisco-router-or-switch/5690240
http://www.trainsignal.com/blog/cisco-dhcp

The location of NK2 file of MS Outlook

Sometime we are really frustrated by looking on NK2 file which store all the email address that we had used for past... maybe few month? year? or century? are you kidding, guys....

Anyway, the location of the NK2 AutoCompelete file created by Outlook might be different from one computer to another, depending on the operating system and the version of Outlook.


Here's the rules for finding the location of your NK2 file:

For Outlook 2003/2007 with Windows 2000, Windows XP, or Windows Server 2003: 
The location of the nk2 file is C:\Documents and Settings\[User Profile]\Application Data\Microsoft\Outlook 
The name of the NK2 file is identical to the Outlook profile name, with .nk2 extension.

For Outlook 2003/2007 with Windows Vista, Windows 7, or Windows server 2008: 
The location of the nk2 file is C:\Users\[User Profile]\AppData\Roaming\Microsoft\Outlook
The name of the NK2 file is identical to the Outlook profile name, with .nk2 extension.

For Outlook 2010 with Windows Vista, Windows 7, or Windows server 2008: 
The nk2 file is located in C:\Users\[User Profile]\AppData\Local\Microsoft\Outlook\RoamCache 
The name of the NK2 file is in the following format: Stream_Autocomplete_X_AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA.dat

The X is the file index (usually 0) and AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA is a random 16-byte key in hexadecimal format.

For Outlook 2010 with Windows XP: 
The nk2 file is located in C:\Documents and Settings\[User Profile]\Local Settings\Application Data\Microsoft\Outlook\RoamCache 
The name of the NK2 file is in the following format: Stream_Autocomplete_X_AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA.dat

The X is the file index (usually 0) and AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA is a random 16-byte key in hexadecimal format.

When you use the NK2Edit utility, you don't have to worry about locating the NK2 filename, because NK2Edit automatically open the default NK2 file for you.



Reference: http://www.nirsoft.net/utils/nk2_file_location.html

[Solved] SearchFilterHost.exe - Application Error

What if you saw on these error message...
 
SearchFilterHost.exe – Application Error The instruction at “0x7c9109fb” referenced memory at “0x00000004″. The memory could not be “read”.
Click on OK to terminate the program.

SearchFilterHost.exe – Application Error The instruction at “0x070609c” referenced memory at “0x00000014″. The memory could not be “read”.
Click on OK to terminate the program.

Microsoft visual c++ runtime library” Runtime Error! Program: C:\WINDOWS\system32\SearchFilterHost.exe. This application has requested the Runtime to terminate it in an unusual way. Please contact the application’s support for more information.

Example with photo:

Here is the solution:

Method 1: Enable Windows Auto Updates.
To enable Windows Auto Updates can help you efficiently repair searchfilterhost.exe error through updating the problematic searchfilterhost.exe file:
1) Click Start, go to Control Panel.
2) Enable the Windows Update utility.
3) Follow the instruction to install AxtiveX and click “Install” to install Windows Update utility.
4) Install all of the updates.
5) Restart PC to confirm the modification.

Method 2: Restore searchfilterhost.exe file from Windows Installation CD.
Due to the fact that searchfilterhost.exe file is a crucial system process that can be installed automatically when the system is installed on the PC, you may consider restoring it from Windows Installation CD once you have found any problems occur to it.
1). Insert the Windows installation CD.
2). Click Start, and then got to Run
3). Type expand cd Drive: \i386\searchfilterhost.exe_c:\windows\system32\searchfilterhost.exe
4). Press the “Enter” button.
5). Restart your computer to confirm this modification.

Method 3: Wipe out damaged Windows Update Files.
1). Click Start, and then go to Run. Once the command prompt windows pops up, type “net stop WuAuServ” onto it and press Enter button.
2). Type “cd %windir%” onto the command prompt window, and press Enter button.
3). From the latest popped- up folder, type ”ren SoftwareDistribution SD_BACKUP”, and press Enter to rename the SoftwareDistribution Folder.
4). Type “net start WuAuServ” onto the command prompt to restart the Windows Update Service.
5). Exit the command prompt.

Method 4: Re- register associated .dll files of searchfilterhost.exe.
In order to fix searchfilterhost.exe error, you may consider trying to re- registering the associated .dll files of searchfilterhost.exe if they haven’t been damaged by any undesirable activity or compromised by malware. You can follow the easy instructions to re- register Wdsshell.dll.dll:
For Windows XP user:
1) Click Start, and then click Run.
2) Type cmd onto the latest dialog box and press Enter button to enable Command Prompt utility.
3) Type regsvr32 wdsshell.dll
or
regsvr32 C:\WINDOWS\system32\wdsshell.dll onto the Command Prompt window as soon as it pops up.
4) Press Enter to confirm the modification.

For Windows 7 user:
1) Click Windows or Start if you are using Classic theme.
2) Type cmd onto the latest search box above Windows menu.
3) As soon as the Command Prompt appears on the screen, type regsvr32 wdsshell.dll

or
regsvr32 C:\WINDOWS\system32\wdsshell.dll
4) Press Enter.

Method 5: Replace it with a compatible one from cyber space.
1) Download the compatible version of searchfilterhost.exe from network.
2) Save it onto a hard disk. And then go to the folder C:\WINDOWS\system32.
3) Locate the problematic version of searchfilterhost.exe on your computer.
4) Rename the current version of searchfilterhost.exe with a name you like.
5) Copy & paste the compatible version into the folder C:\WINDOWS\system32.
6) Click Start and then head to Run.
7) Type cmd onto the latest pop- up and press Enter button to go into the Command mode. (In Windows 7, type cmd onto the latest search box above Windows menu.)
8) Type “regsvr32 searchfilterhost.exe” onto Command Prompt and then press “Enter” button.

Method 6: the last and the most useful method
What if you really no need the latest window search update, can just uninstall the latest version on it.
and It will solve your problem =)
Uninstall from the Programs.

All the best to you ^-^

Reference:
http://www.pcerrorfixtip.com/fix-searchfilterhost-exe-error-how-to-repair-searchfilterhost-exe-error-effectively/
http://www.bleepingcomputer.com/forums/topic405287.html

[HOW] Reset SEPM password

SEPM - Symantec Endpoint Protection Manager

Have you face the password forgotten issue?
Have to key in the password wrongly and account is locked?

Don't worry...
Here is some trick to helps you reset Symantec Endpoint Protection Manager's administrator account password.

IF administrator account has been locked, don't be panic.
After 15minutes, administrator account will be unlocked automatically by the SEPM.

However, if you really forget the password,
then run RESETPASS.bat


In the command prompt
go to
c:\program files\Symantec\Symantec Endpoint Protection Manager\tools\resetpass 
When you'll hit enter you'll see ENGLISH



Close the command prompt. Try logging into the SEPM
Username: admin
Password: admin